L'Île-Tessier is a Unincorporated area located in Saint-Félix-de-Valois; Matawinie, Quebec and has an elevation of 62 meters.

• Latitude: 46° 8' 40'' North   (decimal: 46.1444792)
• Longitude: 73° 22' 46'' West   (decimal: -73.3795760)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Centre de villégiature
• Canadian Province/Territory: Quebec
• Elevation: 62 meters
• Location: Saint-Félix-de-Valois; Matawinie
• Atlas of Canada Locator Map: L'Île-Tessier
• GPS Coordinate Locator Map: L'Île-Tessier Lat/Long